Added deserializeMsgPack() (issue #358)

test/MsgPack/deserializationErrors.cpp

@@ -0,0 +1,58 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+static void check(const char* input, MsgPackError expected,
+                  uint8_t nestingLimit = 10) {
+  DynamicJsonVariant variant;
+
+  MsgPackError error = deserializeMsgPack(variant, input, nestingLimit);
+
+  REQUIRE(error == expected);
+}
+
+TEST_CASE("Errors returned by deserializeMsgPack()") {
+  SECTION("unsupported") {
+    check("\xc4", MsgPackError::NotSupported);  // bin 8
+    check("\xc5", MsgPackError::NotSupported);  // bin 16
+    check("\xc6", MsgPackError::NotSupported);  // bin 32
+    check("\xc7", MsgPackError::NotSupported);  // ext 8
+    check("\xc8", MsgPackError::NotSupported);  // ext 16
+    check("\xc9", MsgPackError::NotSupported);  // ext 32
+    check("\xd4", MsgPackError::NotSupported);  // fixext 1
+    check("\xd5", MsgPackError::NotSupported);  // fixext 2
+    check("\xd6", MsgPackError::NotSupported);  // fixext 4
+    check("\xd7", MsgPackError::NotSupported);  // fixext 8
+    check("\xd8", MsgPackError::NotSupported);  // fixext 16
+  }
+
+  SECTION("unsupported in array") {
+    check("\x91\xc4", MsgPackError::NotSupported);
+  }
+
+  SECTION("unsupported in map") {
+    check("\x81\xc4\x00\xA1H", MsgPackError::NotSupported);
+    check("\x81\xA1H\xc4\x00", MsgPackError::NotSupported);
+  }
+
+  SECTION("integer as key") {
+    check("\x81\x01\xA1H", MsgPackError::NotSupported);
+  }
+
+  SECTION("object too deep") {
+    check("\x80", MsgPackError::TooDeep, 0);           // {}
+    check("\x80", MsgPackError::Ok, 1);                // {}
+    check("\x81\xA1H\x80", MsgPackError::TooDeep, 1);  // {H:{}}
+    check("\x81\xA1H\x80", MsgPackError::Ok, 2);       // {H:{}}
+  }
+
+  SECTION("array too deep") {
+    check("\x90", MsgPackError::TooDeep, 0);      // []
+    check("\x90", MsgPackError::Ok, 1);           // []
+    check("\x91\x90", MsgPackError::TooDeep, 1);  // [[]]
+    check("\x91\x90", MsgPackError::Ok, 2);       // [[]]
+  }
+}